Texas Instruments TPA3008D2 사용자 설명서
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TYPICAL CHARACTERISTICS
0.01
20
20 k
100
1 k
10 k
THD+N −T
otal Harmonic Distortion + Noise − %
V
CC
= 18 V,
R
L
= 16
Gain = 21.6 dB
f − Frequency − Hz
10
0.1
P
O
= 2.5 W
P
O
= 0.5 W
P
O
= 1 W
1
0.005
10
0.01
0.1
20
20 k
100
1 k
10 k
P
O
= 2.5 W
THD+N −T
otal Harmonic Distortion + Noise − %
V
CC
= 12 V,
R
L
= 16
,
Gain = 21.6 dB
f − Frequency − Hz
P
O
= 1 W
1
P
O
= 0.5 W
TPA3008D2
SLOS435A – MAY 2004 – REVISED JULY 2004
TABLE OF GRAPHS
FIGURE
THD+N
Total harmonic distortion + noise
vs Frequency
1, 2, 3, 4
THD+N
Total harmonic distortion + noise
vs Output power
5, 6
Closed-loop response
7
Output power
vs Supply voltage
8, 9
Efficiency
vs Output power
10
Efficiency
vs Total output power
11
V
CC
Supply current
vs Total output power
12
Crosstalk
vs Frequency
13
k
SVR
Supply ripple rejection ratio
vs Frequency
14
CMRR
Commom-mode rejection ratio
vs Frequency
15
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
vs
vs
FREQUENCY
FREQUENCY
Figure 1.
Figure 2.
7